【摘要】 通过仿射变换建立了变压器局部放电超声信号的分段自仿射 IFS模型。该模型用于在线监测中可实现局部放电信号数据的压缩 ,并通过计算 IFS分形维数为局部放电模式识别提供新的特征参数。更多还原

【Abstract】 In this paper, the piecewise self affine Iterated Function System (IFS) model of transformer partial discharge acoustic signals is established. The IFS fractal dimension is extracted based on this model that is provided for partial discharge pattern recognizing. The novel route is that both the tasks of compression and feature extraction in a single step, affords a new tool for on line monitoring of partial discharge in transformer.更多还原